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n200080 [17]
3 years ago
12

To win a prize in a math contest, an individual must correctly fill in the blank below. (−3)(4−5)= [blank] −−−−−−(−3)(4−5)= [bla

nk] _ Enter your answer as a number, like this: 42
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

3

Step-by-step explanation:

the answer is 3 because pedmas so the first is in the parentheses so we subtract 4 and 5 which is -1 so -1 times -3=3

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(5a2 + 4ab – 3b2) – (–5ab + 4b2 + 3a2) = a2 + ab + ( b2)
Mnenie [13.5K]
2a2+9ab+(-7b2)
let me know if you need a explanation
4 0
4 years ago
102 = 1.2 x w <br> what is w?
Free_Kalibri [48]

Answer:

<em>122.4</em>

Step-by-step explanation:

<em>Just Divide.</em>

8 0
3 years ago
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Credit card A offers an APR of 25.68% compounded monthly, while credit card B offers an APR of 25.32%, compounded daily. All els
ikadub [295]
I believe that the correct answer choice would be B. Credit card A, because its effective interest rate is about 0.13% greater than that of credit card B.(I am not 100%, only like 80%.) (If I am wrong please do tell me, so that I can fix myself)
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6 0
3 years ago
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A group of friends is addressing wedding invitations. Casey can address 23 envelopes in one hour, Anne can address 45 envelopes
vlabodo [156]

Answer:

"4.71" is the correct answer.

Step-by-step explanation:

As we know, 45 envelopes addressed in 2 hours then,

⇒  \frac{45}{2} =22.5

and, 45 in 3 hours,

⇒  \frac{61}{3}=20.3

Now by adding all together, we get

⇒  23+22.5+20.3

⇒  65.8

and multiply it by "4.71", we get

⇒  65.8\times 4.71

⇒  309.91

Round it "310".

So that "4.71" is the right answer.

6 0
3 years ago
What statement about (2x-3)(5x+9) is true?
beks73 [17]
(2x-3)(5x+9)
2x*5x-3*9
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8 0
4 years ago
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